Home / 7,743.96-11,616.48-2,406.42

Finding the Fourth Proportional to 7,743.96, 11,616.48 and 2,406.42

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Solution

The fourth proportional to 7,743.96, 11,616.48 and 2,406.42 is: 3,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.96 : 11,616.48 = 2,406.42 : x
  2. Step 2: Convert to fraction form
    7,743.96/11,616.48 = 2,406.42/x
  3. Step 3: Cross multiply
    7,743.96x = 11,616.48 × 2,406.42
  4. Step 4: Simplify right side
    7,743.96x = 27,954,134.31
  5. Step 5: Solve for x
    x = 27,954,134.31/7,743.96
  6. Step 6: Final answer
    x = 3,609.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.